- cvcap_ffmpeg should now support major CVS/SNV versions of FFMPEG:

- cvcap_ffmpeg should now support major CVS/SNV versions of FFMPEG:
  - svn20071229 (SuSE 10.3)
  - svn20070307 (Ubuntu hardy, gutsy, Debian etch (testing))
  - svn20061008 (SuSE 10.0 - 10.2)
  - svn20060823 (Ubuntu edgy, feisty, Debian etch)
  Debian sarge (with additional trickery ...)
- internal fallback-function to allow seeking for formats with
  broken ffmpeg seek support
- changed automake setup to detect static library versions of ffmpeg
  on Debian sarge

git-svn-id: https://code.ros.org/svn/opencv/trunk@1102 73c94f0f-984f-4a5f-82bc-2d8db8d8ee08